package com.itheima.reggie.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

/*
自定义元数据对象处理器
 */
@Slf4j
@Component
public class MyMetaObjecthandler implements MetaObjectHandler {
    /*
    插入操作，自动填充
     */
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("公共字段自动填充insert");
        log.info(metaObject.toString());
        metaObject.setValue("createTime", LocalDateTime.now());
        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("createUser", BaseContext.getCurrentId());
        metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }

    /*
    更新操作，自动填充
     */
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("公共字段自动填充update");
        log.info(metaObject.toString());

        long id = Thread.currentThread().getId();
        log.info("线程id为:{}",id);


        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("updateUser", BaseContext.getCurrentId());
    }
}
